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  VS Arduino › Visual Micro › Usb/Serial/WiFi Debugging › Can`t proceed executing after pause on the breakpoint.
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Normal Topic Can`t proceed executing after pause on the breakpoint. (Read 5376 times)
Alexey V. Popov
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Can`t proceed executing after pause on the breakpoint.
Jan 6th, 2016 at 1:29pm
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Hi! 

Just investigating a product I`ve faced with a such problem (no difference on a simple test or on the big project):

I can`t continue executing of the sketch after stop on a simple breakpoint. 

I use Visual Studio 2012, Arduino IDE 1.6.7, board Arduino Mega and external USB-2-RS232 adapter connected to pin 8 and 9 on Mega. Therefore, in project settings I specifid SoftwareSerial (all hardware serials are occupied), right pins and right LocalPort, same speed 115200. 

In general it works. I`ve got the right message on the start in the Micro Debug Trace window, I see the local variables through breakpoints and I can stop scetch. There is the Continue button (F5) on the toolbar. Its pressable, but doing nothing. 

Whats wrong? How to continue executing of the sketch? 
Thank you! 
« Last Edit: Jan 6th, 2016 at 1:30pm by Alexey V. Popov »  
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Tim@Visual Micro
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Re: Can`t proceed executing after pause on the breakpoint.
Reply #1 - Jan 6th, 2016 at 2:00pm
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Hi

Arduino SoftwareSerial does not work reliably over 56k

Please lower the speed using the RemoteSpeed property then it should be okay.

info: When you click Continue visual micro simply sends a char 'c' to the Arduino and the problem suggests the c is not arriving on the Arduino 

Thanks
  
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Alexey V. Popov
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Re: Can`t proceed executing after pause on the breakpoint.
Reply #2 - Jan 6th, 2016 at 2:49pm
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Thanks for advice, but unfortunately it does not help. 
Tried with 57600, 38400 and 9600 - the same result. Stop and nothing happens. 
Tried to send 'c' through debug serial port window manually - does not help (no confirmation that 'c' was realty sent, so who knows..). 

Any other ideas?
« Last Edit: Jan 6th, 2016 at 2:50pm by Alexey V. Popov »  
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Tim@Visual Micro
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Re: Can`t proceed executing after pause on the breakpoint.
Reply #3 - Jan 6th, 2016 at 3:05pm
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Hi,

I just reviewed the SoftwareSerial document on arduino.cc and it has an important note for the mega

https://www.arduino.cc/en/Reference/SoftwareSerial

Please review the list of digital pins that support SoftwareSerial. I guess this mainly applies to the RX pin which has to receive.

I can confirm that the Visual Micro SoftwareSerial option simply invokes the std Arduino SoftwareSerial so it should work okay and did when I last tested it (some months ago)

Any problems I will retest but expect interrupt pin on RX to be important
  
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Alexey V. Popov
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Re: Can`t proceed executing after pause on the breakpoint.
Reply #4 - Jan 6th, 2016 at 3:17pm
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Yes! It works now. 
You are right. I used pin 9 as RX. I replaced it with pin 10 - and it works now!
Thank you very much! 

PS I though that as soon as I got some message from the board through debug line - the communication is OK, I expected some "handshake" as a self-diagnostic inside debugger. This is a reason why I did not pay attention to the connection (it looks like it works, but...). 
Thank you again!
  
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Re: Can`t proceed executing after pause on the breakpoint.
Reply #5 - Jan 6th, 2016 at 5:21pm
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Great. It's a tough one. The more complexity the more memory and less like the user code. 

However, there are plans to reinforce a few areas. One to tell you if a signal has not been received on the Arduino and one to tell you the board is already at a breakpoint if you have switched off dtr and debug while the cpu has been running for a while (ie: no reboot when debug starts).
  
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